Akainu would vote Trump and become Trump's VP.
Ryokugyu would be the first bodyguard of Trump.
Kizaru would become Harris's bodyguard and vote for her.
Fujitora would vote for Harris and integrate her team to push her to make Sanders her VP.
BlackBeard would abstain, fund Trump and Harris but also fund every white supremacists and all terrorist organizations on the planet
Aokiji would abstain and join Blackbeard
Kaido would give funds to both Trump and Harris in order to secure his weapon partnership deal with Israel.
Shanks would abstain and seek to get intel on both candidate in order to blackmail them if necessary
Baggy would end up being elected governor of California without running and would abstain
Mihawk would abstain and ended up working as Buggy's bodyguard.
Big Mom would vote for and fund Trump in the shadows but would campaign for Harris to be appreciated by liberals
Whitebeard would abstain after Bernie Sanders loses the primary.
Kid would abstain and start a business to take the place of Kaido
Law would vote for Harris and become Fujitora's bodyguard while funding Bernie Sanders in the shadows.
Dragon would vote Harris to prevent fascist to rise in power and would organize all the radical leftists in the country to take down her government and the liberals and push for a anarchic or a communist solution.
And finally...
Luffy would end up meeting a Gazan refugee girl, harrassed by Trump's white supremacist and pro-genocide liberals. He would not vote, but he would see the core of the problem and would instantly march on Washington to take down all the pro-genocide politician and those arming Israel one by one, including Trump and Harris and their entire team. (Fujitora and Law would later join him).
The Straw Hats would abstain and follow Luffy in taking down every pro-genocide liberals and fascist out of the power of the country